Similar Posts
Are You Wanting to Learn a Programming Language? Read Before Your Make a Choice
Making a career choice is difficult. And, if you have decided on becoming a programmer, the difficulty is just beginning. The most important thing is to first decide the language that you want to learn and this is often the most difficult decision. The good part is that you know you need to focus on…
How to encrypt a file using openssl on Linux non-interactively?
ByQ AHow to encrypt a file using openssl on Linux non-interactively? The passphrase shall be provied to openssl in a programmatic way instead of requesting the user to input it, so that the command may work in a regular cron job or some batch jobs. To encrypt file file.tgz and store it to file.tgz using aes-256-ebc…
4 Ways of Converting String to Int in C++
ByEric MaIt is common to convert a string (std::string) to integer (int) in C++ programs. Because of the long history of C++ which has several versions with extended libraries and supports almost all C standard library functions, there are many ways to convert a string to int in C++. This post introduces how to convert a…
How to remove cookies for a certain site in Chrome?
ByQ AHow to remove cookies for a specific site/domain in Chrome? I just want to delete the cookies by one site, not the whole cookies stored by my browser. In Chrome’s settings (open chrome://settings/ in the URL bar): Search for “cookie” and you will find “Privacy” -> “Content Settings”. Click the button “Content Settings”. In the…
How to Change MediaWiki’s Sidebar
ByEric MaMediaWiki’s Sidebar can be configured as a special page. This page’s title is “MediaWiki:Sidebar”. For example, if a MediaWiki site www.example.com is configured to use [[search-engine-friendly-url-for-mediawiki]], the URL for edit the Sidebar is: http://www.example.com/w/MediaWiki:Sidebar It may look like this: * navigation ** mainpage|mainpage-description ** recentchanges-url|recentchanges ** randompage-url|randompage ** currentevents-url|currentevents ** portal-url|portal ** helppage|help * SEARCH…
How to test whether a given path is a directory or a file in C++?
ByEric MaHow to test whether a given path is a directory or a file in C++? For example, pathtype(“/”) –> “a dir” pathtype(“/tmp/file.txt”) –> “a file” # if there is a file file.txt pathtype(“/tmp/dir.txt”) –> “a dir” # if there is a dir named dir.txt The type of a file/dir can be found out using lstat()…
